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Is tymuj.cz a Scam? Security Check Results - Event Service Reviews

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Is tymuj.cz Safe? Security Analysis for Event Service

Check if tymuj.cz is a scam or legitimate. Free security scan and reviews.

TechnologyCzech Republicmedium
HTML5CSS3JavaScriptGoogle FontsSVG graphics
Analyzed 7/30/2025Completed 4:12:11 PM
56
Security Score
MEDIUM RISK

AI Summary

Týmuj is a well-established Czech online platform and mobile application dedicated to organizing sports teams efficiently. The service targets team leaders, players, and parents, providing tools for scheduling events, tracking attendance, and facilitating team communication. With over 14 years in operation and a substantial user base, Týmuj holds a strong market position in the sports team management niche within the Czech Republic. The business model is freemium, offering enhanced features through a premium subscription. Technically, the website employs modern web standards with responsive design and supports iOS and Android platforms, hosted by a regional provider consistent with its market. Security posture is adequate with HTTPS usage and no visible vulnerabilities, though improvements in security headers and explicit policies are recommended. Privacy compliance is partially met with a clear privacy policy but lacks a cookie consent mechanism. Overall, the website is professional, trustworthy, and user-friendly, with clear branding and social proof through partners and social media presence.

Detected Technologies

HTML5CSS3JavaScriptGoogle FontsSVG graphics

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Týmuj operates in the technology sector focusing on sports team management solutions. Its competitive advantage lies in its longevity, comprehensive feature set, and localized focus on Czech sports teams. Revenue streams likely include premium subscriptions and possibly payment processing modules. The target customers are sports team leaders, players, and parents seeking streamlined team organization. The partnership ecosystem includes notable brands like Mercedes-Benz and Energie ČS, enhancing credibility. Growth indicators include a large registered user base and significant app downloads. The company is owned by Event Service, indicating a stable organizational structure. Strategic observations suggest opportunities in expanding privacy compliance and security transparency to strengthen market trust.

Extracted Contact Information

Marketing Intelligence Data

Email Addresses (1)

i*****@tymuj.cz

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate security maturity level with HTTPS enforced on login and signup subdomains and no exposed sensitive data in the HTML. However, the absence of security headers such as Content-Security-Policy and lack of published security policies or incident response contacts indicate room for improvement. No vulnerability disclosures or security.txt files were found, which could enhance transparency and trust. Compliance with GDPR is indicated by the privacy policy, but cookie consent mechanisms are missing. Overall, the security posture is adequate for the business type but would benefit from enhanced security best practices and formal incident response readiness.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Event Service

Description:

Týmuj is an online platform and mobile app designed to organize sports teams efficiently. It offers features such as event scheduling, attendance tracking, team communication, and management tools tailored for team leaders, players, and parents.

Key Services:
Event schedulingAttendance trackingTeam communication (chat, noticeboard)Team roster managementPayment tracking (Pokladna)Photo gallery sharingMulti-language support
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
HTML5CSS3JavaScriptGoogle FontsSVG graphics
Platforms:
WebiOS appAndroid app
Performance:

moderate

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
70/100
Best Practices:
  • HTTPS usage implied by login and signup links using https://app.tymuj.cz
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:poor

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with rich content and no blocking mechanisms.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

15/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

33/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: transport, digital

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

75/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 a mx include:spf.smartemailing.cz a:relay.mojeschranka.net ~all
DNS Lookups:4/10
Policy:~all
DKIM Selectors Found
Selector:default(1296-bit rsa)
DMARC Details
Policy:none
Aggregate Reports:5evs4cir5i@dmarc-reports.ecomailapp.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

62/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 59 days

Mixed Content Detected

MEDIUM

1 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.2TLSv1.3TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

80/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

Domain Age
17 years(mature)

DNS Records

A Records:35.227.234.250
Name Servers:
ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu
MX Records:
10: smtp.tenishala.cz
SOA:Serial: 1712395690, TTL: 2560s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:117ms

SPF Analysis

SPF Record:
v=spf1 a mx include:spf.smartemailing.cz a:relay.mojeschranka.net ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built with modern HTML5, CSS3, and JavaScript technologies, utilizing SVG graphics and Google Fonts for enhanced visual appeal. It supports mobile platforms with responsive design and provides native apps on iOS and Android. Hosting is managed by Websupport, a regional provider consistent with the Czech market. Performance is moderate, with potential for optimization. No CMS was detected, suggesting a custom or static site approach. SEO and accessibility are well addressed with proper meta tags and mobile optimization. Technical risks are minimal but could be reduced further by implementing security headers and improving privacy compliance mechanisms.
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